linux-kernel - [PATCH 1/2] kconfig: narrow the scope of variables in the lexer

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Message-Id: <20210927125437.818092-1-masahiroy@kernel.org>
Date:   Mon, 27 Sep 2021 21:54:36 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     linux-kbuild@...r.kernel.org
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] kconfig: narrow the scope of variables in the lexer

The variables, "ts" and "i", are used locally in the action of
the [ \t]+ pattern in the <HELP> start state.

Define them where they are used.

Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---

 scripts/kconfig/lexer.l | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/kconfig/lexer.l b/scripts/kconfig/lexer.l
index 312cbad2d34d..efe487859308 100644
--- a/scripts/kconfig/lexer.l
+++ b/scripts/kconfig/lexer.l
@@ -85,7 +85,6 @@ n	[A-Za-z0-9_-]
 
 %%
 	int str = 0;
-	int ts, i;
 
 #.*			/* ignore comment */
 [ \t]*			/* whitespaces */
@@ -196,6 +195,8 @@ n	[A-Za-z0-9_-]
 
 <HELP>{
 	[ \t]+	{
+		int ts, i;
+
 		ts = 0;
 		for (i = 0; i < yyleng; i++) {
 			if (yytext[i] == '\t')
-- 
2.30.2